<template>
	<view class="uni-container">
		<uni-forms ref="form" :model="formData" validate-trigger="submit" err-show-type="toast">
			<uni-forms-item name="title" label="帖子标题">
				<uni-easyinput placeholder="帖子标题" v-model="formData.title"></uni-easyinput>
			</uni-forms-item>
			<uni-forms-item name="post_file" label="图片">
				<uni-file-picker file-mediatype="image" return-type="object"
					v-model="formData.post_file"></uni-file-picker>
			</uni-forms-item>
			<uni-forms-item name="content" label="帖子内容">
				<uni-easyinput type="textarea" placeholder="帖子内容" v-model="formData.content"></uni-easyinput>
			</uni-forms-item>
			<view class="uni-button-group">
				<button type="primary" class="uni-button" @click="submit">提交</button>
			</view>
		</uni-forms>
	</view>
</template>
<script>
	import {
		validator
	} from '../../js_sdk/validator/abu_post.js';

	const db = uniCloud.database();
	const dbCollectionName = 'abu_post';

	function getValidator(fields) {
		let result = {}
		for (let key in validator) {
			if (fields.indexOf(key) > -1) {
				result[key] = validator[key]
			}
		}
		return result
	}



	export default {
		data() {
			let formData = {
				"title": "",
				"post_file": null,
				"content": ""
			}
			return {
				formData,
				formOptions: {},
				rules: {
					...getValidator(Object.keys(formData))
				}
			}
		},
		onReady() {
			this.$refs.form.setRules(this.rules)
		},
		onLoad() {
			// 检查是否登录
			const user_info = uniCloud.getCurrentUserInfo();
			console.log(user_info);
			if (user_info.uid == null) {
				uni.navigateTo({
					url: '/uni_modules/uni-id-pages/pages/login/login-withpwd',
					success: res => {},
					fail: () => {},
					complete: () => {}
				});
			}
		},
		methods: {

			/**
			 * 验证表单并提交
			 */
			submit() {
				uni.showLoading({
					mask: true
				})
				this.$refs.form.validate().then((res) => {
					return this.submitForm(res)
				}).catch(() => {}).finally(() => {
					uni.hideLoading()
				})
			},

			/**
			 * 提交表单
			 */
			submitForm(value) {
				// 使用 clientDB 提交数据
				return db.collection(dbCollectionName).add(value).then((res) => {
					uni.showToast({
						icon: 'none',
						title: '新增成功'
					})
					this.getOpenerEventChannel().emit('refreshData')
					setTimeout(() => uni.navigateBack(), 500)
				}).catch((err) => {
					uni.showModal({
						content: err.message || '请求服务失败',
						showCancel: false
					})
				})
			}
		}
	}
</script>

<style>
	.uni-container {
		padding: 15px;
	}

	.uni-input-border,
	.uni-textarea-border {
		width: 100%;
		font-size: 14px;
		color: #666;
		border: 1px #e5e5e5 solid;
		border-radius: 5px;
		box-sizing: border-box;
	}

	.uni-input-border {
		padding: 0 10px;
		height: 35px;

	}

	.uni-textarea-border {
		padding: 10px;
		height: 80px;
	}

	.uni-button-group {
		margin-top: 50px;
		/* #ifndef APP-NVUE */
		display: flex;
		/* #endif */
		justify-content: center;
	}

	.uni-button {
		width: 184px;
	}
</style>